tools/testing/selftests/livepatch/test-shadow-vars.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3 # Copyright (C) 2018 Joe Lawrence <joe.lawrence@redhat.com>
   4
   5 . $(dirname $0)/functions.sh
   6
   7 MOD_TEST=test_klp_shadow_vars
   8
   9 setup_config
  10
  11
  12 # TEST: basic shadow variable API
  13 # - load a module that exercises the shadow variable API
  14
  15 echo -n "TEST: basic shadow variable API ... "
  16 dmesg -C
  17
  18 load_mod $MOD_TEST
  19 unload_mod $MOD_TEST
  20
  21 check_result "% modprobe $MOD_TEST
  22 $MOD_TEST: klp_shadow_get(obj=PTR5, id=0x1234) = PTR0
  23 $MOD_TEST:   got expected NULL result
  24 $MOD_TEST: shadow_ctor: PTR6 -> PTR1
  25 $MOD_TEST: klp_shadow_alloc(obj=PTR5, id=0x1234, size=8, gfp_flags=GFP_KERNEL), ctor=PTR7, ctor_data=PTR1 = PTR6
  26 $MOD_TEST: shadow_ctor: PTR8 -> PTR2
  27 $MOD_TEST: klp_shadow_alloc(obj=PTR9, id=0x1234, size=8, gfp_flags=GFP_KERNEL), ctor=PTR7, ctor_data=PTR2 = PTR8
  28 $MOD_TEST: shadow_ctor: PTR10 -> PTR3
  29 $MOD_TEST: klp_shadow_alloc(obj=PTR5, id=0x1235, size=8, gfp_flags=GFP_KERNEL), ctor=PTR7, ctor_data=PTR3 = PTR10
  30 $MOD_TEST: klp_shadow_get(obj=PTR5, id=0x1234) = PTR6
  31 $MOD_TEST:   got expected PTR6 -> PTR1 result
  32 $MOD_TEST: klp_shadow_get(obj=PTR9, id=0x1234) = PTR8
  33 $MOD_TEST:   got expected PTR8 -> PTR2 result
  34 $MOD_TEST: klp_shadow_get(obj=PTR5, id=0x1235) = PTR10
  35 $MOD_TEST:   got expected PTR10 -> PTR3 result
  36 $MOD_TEST: shadow_ctor: PTR11 -> PTR4
  37 $MOD_TEST: klp_shadow_get_or_alloc(obj=PTR12, id=0x1234, size=8, gfp_flags=GFP_KERNEL), ctor=PTR7, ctor_data=PTR4 = PTR11
  38 $MOD_TEST: klp_shadow_get_or_alloc(obj=PTR12, id=0x1234, size=8, gfp_flags=GFP_KERNEL), ctor=PTR7, ctor_data=PTR4 = PTR11
  39 $MOD_TEST:   got expected PTR11 -> PTR4 result
  40 $MOD_TEST: shadow_dtor(obj=PTR5, shadow_data=PTR6)
  41 $MOD_TEST: klp_shadow_free(obj=PTR5, id=0x1234, dtor=PTR13)
  42 $MOD_TEST: klp_shadow_get(obj=PTR5, id=0x1234) = PTR0
  43 $MOD_TEST:   got expected NULL result
  44 $MOD_TEST: shadow_dtor(obj=PTR9, shadow_data=PTR8)
  45 $MOD_TEST: klp_shadow_free(obj=PTR9, id=0x1234, dtor=PTR13)
  46 $MOD_TEST: klp_shadow_get(obj=PTR9, id=0x1234) = PTR0
  47 $MOD_TEST:   got expected NULL result
  48 $MOD_TEST: shadow_dtor(obj=PTR12, shadow_data=PTR11)
  49 $MOD_TEST: klp_shadow_free(obj=PTR12, id=0x1234, dtor=PTR13)
  50 $MOD_TEST: klp_shadow_get(obj=PTR12, id=0x1234) = PTR0
  51 $MOD_TEST:   got expected NULL result
  52 $MOD_TEST: klp_shadow_get(obj=PTR5, id=0x1235) = PTR10
  53 $MOD_TEST:   got expected PTR10 -> PTR3 result
  54 $MOD_TEST: shadow_dtor(obj=PTR5, shadow_data=PTR10)
  55 $MOD_TEST: klp_shadow_free_all(id=0x1235, dtor=PTR13)
  56 $MOD_TEST: klp_shadow_get(obj=PTR5, id=0x1234) = PTR0
  57 $MOD_TEST:   shadow_get() got expected NULL result
  58 % rmmod test_klp_shadow_vars"
  59
  60 exit 0